From b9e742c3164344fece3615aca42ec51b41753908 Mon Sep 17 00:00:00 2001
From: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Date: Wed, 17 Sep 2014 11:34:17 +0200
Subject: clk: tegra: Make clock initialization more robust
Don't abort clock initialization if we cannot match an entry in
tegra_clk_init_table to a valid entry in the clk array.
Also log a corresponding error message.
This was discovered when testing a patch that removed the EMC clock from
tegra124_clks but left a mention in tegra_clk_init_table.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
---
drivers/clk/tegra/clk.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
(limited to 'drivers/clk')
diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c
index f87c609e8f72..97dc8595c3cd 100644
--- a/drivers/clk/tegra/clk.c
+++ b/drivers/clk/tegra/clk.c
@@ -207,8 +207,13 @@ void __init tegra_init_from_table(struct tegra_clk_init_table *tbl,
for (; tbl->clk_id < clk_max; tbl++) {
clk = clks[tbl->clk_id];
- if (IS_ERR_OR_NULL(clk))
- return;
+ if (IS_ERR_OR_NULL(clk)) {
+ pr_err("%s: invalid entry %ld in clks array for id %d\n",
+ __func__, PTR_ERR(clk), tbl->clk_id);
+ WARN_ON(1);
+
+ continue;
+ }
if (tbl->parent_id < clk_max) {
struct clk *parent = clks[tbl->parent_id];
--
cgit